Thanks for your query.
I have read your query & I understand your concerns.
These injections help in follicular growth. If you are getting follicular growth and ovulation, no need to worry.
If you dont conceive by IUI in another 2 cycles of IUI please visit an IVF centre for proper evaluation and next step of treatment.
I hope I answered your query. I will be available for any followup queries you have.
IVF & Infertility